Question

A man had an income of Rs. 3000. He spent 40% of it. what was the balance of his income?​

Answer 1

Answer:

Gaurav spends 30% of his monthly income on food, 40% of the remaining on conveyance and clothes, and saves 50% of the remaining . If his monthly salary is Rs 18400, how much money does he save every month?

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Let’s say Gaurav’s monthly income is 100 Rs.

Gaurav spends 30 Rs. on food, remaining Rs. = 100 - 30 = 70 Rs.

Spending on conveyance and clothes = 40% of 70 = (40/100) x 70 = 28 Rs.

Remaining Rs. = 70 - 28 = 42 Rs.

Saving = 50% of 42 = (50/100) x 42 = 21 Rs.

Applying unitary method now,

If monthly income is 100 Rs. then saving is 21 Rs.

If monthly income is 1 Rs. then saving = (21/100) Rs.

If monthly income is 18400 then saving = (21/100) x 18400

Therefore, Gaurav’s monthly saving = 21 x 184 = 3864 Rs.

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